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Let ''f'' be a differential function such that 8f(x)+6f(1/x)-x =5 (x not equals to zero)and y=x.x(or x square) ,then dy/dx at x= -1 is:- 1}-1/14 2}1/14 3}15/14 4}-15/14 Please show only the solving method .

Let ''f'' be a differential function such that 8f(x)+6f(1/x)-x =5 (x not equals to zero)and y=x.x(or x square) ,then dy/dx at x= -1 is:-
1}-1/14 2}1/14 3}15/14 4}-15/14

Please show only the solving method .

Grade:Upto college level

1 Answers

Prajwal kr
49 Points
7 years ago

y=x2

=> dy/dx=2x

At x=-1, dy/dx=-2. 

 

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